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Public elementary school · Jefferson County School District No. R-1 · Littleton, Colorado

Mount Carbon Elementary School

Mount Carbon Elementary School rates 9.3, among the strongest elementary schools in Jefferson County School District No. R-1, where the rated median is 7.8.

Elementary schools, 1 to 10This campus against public elementary schools around it that are rated on verified state test data.
9.3this school

9.3 on a one-to-ten scale; the Jefferson County School District No. R-1 median is 7.8.

#21 of 1,829 schools in Colorado · Jefferson County School District No. R-1: 86 elementary schools rated, median 7.8

The brief

A Jefferson County School District No. R-1 elementary school where students score 11 points above what's typical for similar communities.

It ranks 21 of 1,829 schools in Colorado and 3 of 141 in Jefferson County School District No. R-1.

Mount Carbon Elementary School is listed in Jefferson County School District No. R-1, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math61%20 points above the Colorado average of 41%2026 CMAS
Reading70%24 points above the Colorado average of 46%2026 CMAS
Proficiency declined earlier in the 18-year record (2009–2026), then recovered 22 points since 2021, reaching 65% in 2026.2026 CMAS; 43 test records from CO state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
9.9
50% of the rating
Academics
9.3
30% of the rating
Resources & Environment
8.0
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2026

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 62% (multi-year average, 2009-2026) · reading/ELA 71% (multi-year average, 2009-2026).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2026 CMAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 CMAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2026 CMAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 CMAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 80127; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2026; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Mount Carbon Elementary School and the 20 nearest elementary schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$137,753
Median home value
$663,900
Median rent
$2,102/mo
College educated
60%
Homeownership
85.6%
Poverty rate
3.6%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80127; this is area context, not an attendance boundary.

Getting around

Walk Score
29
Car-Dependent
Transit Score
21
Minimal Transit
Bike Score
38
Somewhat Bikeable
City reported crime
2,344/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Littleton. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Littleton), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

Gifted and talented
Available
A program for qualifying students · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
26.1%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Mount Carbon Elementary Schoolthis school
    9.3
  2. 8.9Compare →
  3. 8.4Compare →
  4. 8.3Compare →
  5. 8.2Compare →
  6. 7.8Compare →
  7. 6.8Compare →
  8. 5.7Compare →
  9. 4.3Compare →
Eight grade-compatible schools using the same rating model sit within 5 miles, and none rates higher than Mount Carbon Elementary School.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

The record

What is on file, and where each number came from.

Questions families ask

What grades does Mount Carbon Elementary School serve?

Mount Carbon Elementary School serves students in grades Pre-K through 5th.

How many students attend Mount Carbon Elementary School?

Mount Carbon Elementary School has an enrollment of approximately 380 students.

What is the student-teacher ratio at Mount Carbon Elementary School?

The student-teacher ratio at Mount Carbon Elementary School is 17.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mount Carbon Elementary School rank in CO?

Mount Carbon Elementary School ranks #21 of 1,829 schools in CO.

What is Mount Carbon Elementary School's MySchoolScout rating?

Mount Carbon Elementary School has a current MySchoolScout rating of 9.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Mount Carbon Elementary School?

Based on loaded state assessment records, Mount Carbon Elementary School has 62% math proficiency (multi-year average, 2009-2026) and 71% reading/ELA proficiency (multi-year average, 2009-2026).

Is Mount Carbon Elementary School a charter school?

No, Mount Carbon Elementary School is not a charter school. It is a traditional public school operated by the local school district.

Is Mount Carbon Elementary School a Title I school?

No, Mount Carbon Elementary School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mount Carbon Elementary School?

26.1% of students at Mount Carbon Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School facts

Grades
Pre-K – 5th
Enrollment
380
Student-teacher ratio
17.3:1
Teachers (FTE)
22
Type
Regular
Title I
No
Setting
Large Suburb
County
Jefferson County
Rank in district
#3 of 141
Schools in district
148
District spending per student
$14,483
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
7.4%
Census SAIPE · 2024
Area population (ZIP 80127)
43,826
Area average commute
28.4 min
Area median age
44.1

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, Colorado Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.